diff --git a/pkgs/development/python-modules/widlparser/default.nix b/pkgs/development/python-modules/widlparser/default.nix
index f9a0a3558f32..9b961c89a9a9 100644
--- a/pkgs/development/python-modules/widlparser/default.nix
+++ b/pkgs/development/python-modules/widlparser/default.nix
@@ -4,28 +4,44 @@
   fetchFromGitHub,
   pythonOlder,
   # build inputs
+  setuptools,
+  setuptools-scm,
   typing-extensions,
 }:
 
 buildPythonPackage rec {
   pname = "widlparser";
   version = "1.1.5";
-  format = "setuptools";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "plinss";
-    repo = pname;
+    repo = "widlparser";
     rev = "v${version}";
     hash = "sha256-G5N29K0/ByfKwP1XfxZH9u/5x361JD/8qAD6eZaySnU=";
   };
 
+  build-system = [
+    setuptools
+    setuptools-scm
+  ];
 
-  propagatedBuildInputs = [ typing-extensions ];
+  dependencies = [ typing-extensions ];
 
   pythonImportsCheck = [ "widlparser" ];
 
+  # https://github.com/plinss/widlparser/blob/v1.1.5/.github/workflows/test.yml
+  checkPhase = ''
+    runHook preCheck
+
+    python test.py > test-actual.txt
+    diff -u test-expected.txt test-actual.txt
+
+    runHook postCheck
+  '';
+
   meta = with lib; {
     description = "Stand-alone WebIDL Parser in Python";
     homepage = "https://github.com/plinss/widlparser";